NKO Atomic Clock

Current time in milliseconds unit, dday remaining time calculator, elapsed time, stopwatch, server time checker

☞ Install NKO Atomic Clock(Android app) at Google Playstore
Chatroom by domain
우리말 English

http://a-shop.kr/ server time check history

  • 2026-10-23 05:25:12 KST -0.029197
  • 2026-10-21 12:11:40 KST -0.017325
  • 2026-10-21 10:27:49 KST -0.041649
  • 2026-08-18 11:16:08 KST -0.023570
  • 2026-08-18 05:20:09 KST -0.047157
  • 2026-08-12 15:40:52 KST -0.203610
  • 2026-05-28 20:53:53 KST -0.062517
  • 2026-05-28 19:47:52 KST -0.075494
  • 2022-04-13 14:05:35 KST -0.517230
  • 2022-04-13 13:58:14 KST -0.481376
  • Average -0.1499125

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We fetch a server clock and let you see

Webservers transmit their time in seconds unit, so without special treatment, the maximum error would be as big as 1 second. NKO Atomic Clock calculates a server time more than ten times in 1 second and seize the moment when the second changes. Thus we can minimize the calculation error as small as 0.1 second. Moreover, delays between our server and a destination server are considered so the accuracy of time increases.

NKO supports the HTTPS protocol and subdomains

Some servers use different servers over protocols or subdomains. You can get a desired result by specifying more details.

Information

# You need to tell us an exact server address. For example, some sites host differently by whether the address begin with WWW or not.

# Even if your computer clock isn't synchronized, NKO always will display correct time.

# If you click a numeric time error in the history view, the clock will use that measurement.

# The results can have quite much error if the destination server is under load balancing. Please refer to a variance in the server time history information.

# A particular service uses its own time clock, different with web servers' clock. in this case, server time guessing is not meaningful.